638962688

素因数分解:

$2^{10}\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6857}}^1$

素因数の和:6897

約数の個数: 88

約数和(自身を含む): 1572292512

約数和(自身を除く): 933329824

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 512, 728, 832, 896, 1024, 1456, 1664, 1792, 2912, 3328, 3584, 5824, 6656, 6857, 7168, 11648, 13312, 13714, 23296, 27428, 46592, 47999, 54856, 89141, 93184, 95998, 109712, 178282, 191996, 219424, 356564, 383992, 438848, 623987, 713128, 767984, 877696, 1247974, 1426256, 1535968, 1755392, 2495948, 2852512, 3071936, 3510784, 4991896, 5705024, 6143872, 7021568, 9983792, 11410048, 12287744, 19967584, 22820096, 24575488, 39935168, 45640192, 49150976, 79870336, 91280384, 159740672, 319481344, 638962688]

約数ペア:

[(1, 638962688), (2, 319481344), (4, 159740672), (7, 91280384), (8, 79870336), (13, 49150976), (14, 45640192), (16, 39935168), (26, 24575488), (28, 22820096), (32, 19967584), (52, 12287744), (56, 11410048), (64, 9983792), (91, 7021568), (104, 6143872), (112, 5705024), (128, 4991896), (182, 3510784), (208, 3071936), (224, 2852512), (256, 2495948), (364, 1755392), (416, 1535968), (448, 1426256), (512, 1247974), (728, 877696), (832, 767984), (896, 713128), (1024, 623987), (1456, 438848), (1664, 383992), (1792, 356564), (2912, 219424), (3328, 191996), (3584, 178282), (5824, 109712), (6656, 95998), (6857, 93184), (7168, 89141), (11648, 54856), (13312, 47999), (13714, 46592), (23296, 27428)]